<!--
 * @Descripttion: 二次封装el-select 支持拼音
 * @version: 1.0
 * @Author: sakuya
 * @Date: 2021年7月31日22:26:56
 * @LastEditors:
 * @LastEditTime:
-->

<template>
  <el-select v-bind="$attrs" :filter-method="filterMethod" @visible-change="visibleChange">
    <el-option v-for="field in optionsList" :key="field.value" :label="field.label" :value="field"></el-option>
  </el-select>
</template>

<script>
import pinyin from './pinyin'

export default {
  props: {
    options: { type: Array, default: () => [] }
  },
  data() {
    return {
      optionsList: [],
      optionsList_: []
    }
  },
  mounted() {
    this.optionsList = this.options
    this.optionsList_ = [...this.options]
  },
  methods: {
    filterMethod(keyword){
      if(keyword){
        this.optionsList = this.optionsList_
        this.optionsList = this.optionsList.filter((item) =>
            pinyin.match(item.label, keyword)
        );
      }else{
        this.optionsList = this.optionsList_
      }
    },
    visibleChange(isopen){
      if(isopen){
        this.optionsList = this.optionsList_
      }
    }
  }
}
</script>